The parallaxes of fifty stars, determined at the Sproul Observatory.
Subtitle: Third list.
By: By John A. Miller and John H. Pitman, with the coöperation of Caroline H. Smedley and Margaret E. Powell.
Contributors: Pitman, John Himes, 1890- joint author.
Series: Sproul Observatory publications,; no. 6
Published: 1921
Place of publication: [Swarthmore
Language: eng
Number of pages: 66
Subjects: Parallax -- Stars.